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So that plants can grow successfully they need to be maintained at a temperature that is correct throughout their lifespan.

There are three main types of greenhouse heaters to choose from that can maintain temperatures, especially during winter months.

Electric Greenhouse Heater

The best source of artificial heat for the plants and the least harmful to people and the environment can be found through the use of greenhouse heaters that are fueled by electricity. Electric heaters can be the most efficient way of maintaining temperatures that are specific for the plants temperature needs.

The heat given to the plants through these types of heater are controlled by a thermostat. By using a thermostat it makes sure that heat is not wasted even if the temperature outside the greenhouse changes.

By using the electric type of greenhouse heater fumes are not produced which can be harmful to the plants or the environment. Therefore by using electric heaters there is no need for ventilation in the greenhouse. The use of fans for electric greenhouse heaters spreads the heat around the greenhouse. One thing that must be followed is do not use an electric extension from a source such as a home or another outbuilding.

Gas Greenhouse Heater

Gas heaters are another type of greenhouse heater you may consider. They are not as productive as electric heaters and there is the production of fumes, in the form of combustion that is released into the atmosphere.

A couple of ways in which gas greenhouse heaters differ than electric ones are that the thermostat control is less precise and ventilation is needed in the greenhouse. Also because gas is used it must be monitored and put in a safe place.

Paraffin Greenhouse Heater

A third type to consider which is much less popular than the others is a paraffin heater. One drawback of these greenhouse heaters is the constant maintenance that comes with trimming the wick and the need to refill them constantly. Ventilation is needed in paraffin heaters as they produce fumes and release water vapors into the greenhouse.

One main advantage of paraffin greenhouse heaters is that frost damage to the plants is reduced for greenhouses that are smaller. They can also be used as backups to other types of greenhouse heaters. These heaters can be used if the electricity is switched off or the gas is shut off for whatever reason.

This can be important as if the main source of heat is not working it can cause damage to the plants and result in losses.

If you are unsure about which type is right for you consider talking to a professional at a gardening store. They have all the knowledge that you will need to make an informed decision that will keep your greenhouse in bloom.